Arizona Diamondbacks vs. Washington Nationals

The D-Backs hook up with the worst team in the bigs and its big offseason free-agent signee, outfielder Adam Dunn, who's been spanking the ball around smartly for the Nats after a mostly disappointing '08 stay in Arizona.
Fri., May 8, 6:40 p.m.; Sat., May 9, 5:10 p.m.; Sun., May 10, 1:10 p.m., 2009